package main

import (
	. "fmt"
	"strconv"
)


func main(){
	Println("a") //reutrn a
	Println(string(strconv.AppendBool([]byte("hello"), false)))
	Println(strconv.FormatBool(false))  //return false
	Println(string(strconv.AppendFloat([]byte("hello"), 120.365,'g' ,2,32)))
	Println(strconv.FormatFloat(120.63,'g',4,32))   //return 120.6
	Println(strconv.FormatInt(1231, 2))  //return 10011001111
	Println(strconv.FormatInt(1231, 8))  //return 2317
	Println(strconv.FormatInt(1231, 10)) //return 1231
	Println(strconv.IsPrint(19990))      //return true ,equal "世"
	Println(strconv.ParseBool("true"))   //return true ,<nil>
	Println(strconv.ParseInt("126",10,32))   //return 126 ,<nil>
}
	
